//
//  ISGDownloadUtility.h
//  ISGDownloadManager
//
//  Created by apple on 2020/7/20.
//

#import <Foundation/Foundation.h>

/// 下载工具类
@interface ISGDownloadUtility : NSObject

// 返回文件大小
+ (float)calculateFileSizeInUnit:(unsigned long long)contentLength;

// 返回文件大小的单位
+ (NSString *)calculateUnit:(unsigned long long)contentLength;

@end
